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  2. Insert (SQL) - Wikipedia

    en.wikipedia.org/wiki/Insert_(SQL)

    It is not required to specify all columns in the table since any other columns will take their default value or remain null: INSERT INTO table VALUES (value1, [value2, ... ]) Example for inserting data into 2 columns in the phone_book table and ignoring any other columns which may be after the first 2 in the table.

  3. Merge (SQL) - Wikipedia

    en.wikipedia.org/wiki/Merge_(SQL)

    Additionally there is a single-row version, UPDATE OR INSERT INTO tablename (columns) VALUES (values) [MATCHING (columns)], but the latter does not give you the option to take different actions on insert versus update (e.g. setting a new sequence value only for new rows, not for existing ones.)

  4. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    Formulas in the B column multiply values from the A column using relative references, and the formula in B4 uses the SUM() function to find the sum of values in the B1:B3 range. A formula identifies the calculation needed to place the result in the cell it is contained within. A cell containing a formula, therefore, has two display components ...

  5. ECPG - Wikipedia

    en.wikipedia.org/wiki/ECPG

    EXEC SQL INSERT INTO tablename VALUES (: variablename); This can be used in any statement, INSERT statement was chosen just as a simple example for illustration. The above example shows how to pass a C variable to the SQL, but data can be passed also in the opposite direction: back to the application.

  6. Prepared statement - Wikipedia

    en.wikipedia.org/wiki/Prepared_statement

    A prepared statement takes the form of a pre-compiled template into which constant values are substituted during each execution, and typically use SQL DML statements such as INSERT, SELECT, or UPDATE. A common workflow for prepared statements is: Prepare: The application creates the statement template and sends it to the DBMS.

  7. Help:Creating tables - Wikipedia

    en.wikipedia.org/wiki/Help:Creating_tables

    If there is a problem, then paste that spreadsheet column into Excel2Wiki first, and copy the wikitext. After combining the columns into one table, you may notice that VE created a mishmash of compressed and uncompressed wikitext. If this is a problem, it can be fixed by pasting the table right off the page (not the wikitext) into Excel2Wiki ...

  8. Aggregate function - Wikipedia

    en.wikipedia.org/wiki/Aggregate_function

    The listagg function, as defined in the SQL:2016 standard [2] aggregates data from multiple rows into a single concatenated string. In the entity relationship diagram , aggregation is represented as seen in Figure 1 with a rectangle around the relationship and its entities to indicate that it is being treated as an aggregate entity.

  9. SQL syntax - Wikipedia

    en.wikipedia.org/wiki/SQL_syntax

    Each column in an SQL table declares the type(s) that column may contain. ANSI SQL includes the following data types. [14] Character strings and national character strings. CHARACTER(n) (or CHAR(n)): fixed-width n-character string, padded with spaces as needed; CHARACTER VARYING(n) (or VARCHAR(n)): variable-width string with a maximum size of n ...